How Does Light Travel Through A Periscope?

Answer:By means of 2 mirrors angled at 45 degrees at either closing stages of the vertical tube. As the angle of incidence equals the angle of reflection the light entering the periscope is diverted by 90 degrees down the periscope and afterwards by another 90 degrees into the eye of the observer.Resolved Questions:Could you explain the cycle of rotation of crops?In growing crops on the same piece of land farmers in balmy regions find it advantageous to follow an old farming practice known as rotation of crops. This consists of growing a resounding series of crops on the same land. An example of a three-course rotation...

The 9/11 Conspiracy - NOT A Conspiracy Video, What Do You Think?Http://www.youtube.com/watch?v=yC4iEXDl-d8I believe it IS a conspiracy, what do people think about this video claiming in attendance is evidence it 'isnt'? It seems like most evidence on this to say that it WASNT a conspiracy is approval up the ideas that it WAS....

I Often Have Dreams About My Teeth Falling Out. They Are Always Very... Dreams about teeth falling &nbsp ;out may mean you are worried about your physical appearance or maybe anxiety over some minor issues Interesting. I am not worried about my appearance but I have a lot of stressers surrounded by my life over the past few years. Perhaps you can answer another dream...